Fig. 4From: Transcriptome analysis of the Holly mangrove Acanthus ilicifolius and its terrestrial relative, Acanthus leucostachyus, provides insights into adaptation to intertidal zonesKa/Ks distribution of 6634 pairs of orthologs between Acanthus ilicifolius and Ac. leucostachyus. The solid line marks Ka/Ks = 1, whereas the red dots mark the genes with Ka/Ks ratio significantly larger than 1Back to article page